ArrayList with a ListModel for ease of use
/*
* Copyright (c) Ian F. Darwin, http://www.darwinsys.com/, 1996-2002.
* All rights reserved. Software written by Ian F. Darwin and others.
* $Id: LICENSE,v 1.8 2004/02/09 03:33:38 ian Exp $
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* Java, the Duke mascot, and all variants of Sun's Java "steaming coffee
* cup" logo are trademarks of Sun Microsystems. Sun's, and James Gosling's,
* pioneering role in inventing and promulgating (and standardizing) the Java
* language and environment is gratefully acknowledged.
*
* The pioneering role of Dennis Ritchie and Bjarne Stroustrup, of AT&T, for
* inventing predecessor languages C and C++ is also gratefully acknowledged.
*/
import java.util.ArrayList;
import java.util.Collection;
import javax.swing.ListModel;
import javax.swing.event.ListDataEvent;
import javax.swing.event.ListDataListener;
/**
* FilterGUIListModel combines an ArrayList with a ListModel for ease of use.
*/
public class FilterGUIListModel extends ArrayList implements ListModel {
protected Object source;
FilterGUIListModel(Object src) {
source = src;
}
public Object getElementAt(int index) {
return get(index);
}
public int getSize() {
return size();
}
ArrayList listeners = new ArrayList();
public void removeListDataListener(javax.swing.event.ListDataListener l) {
listeners.remove(l);
}
public void addListDataListener(javax.swing.event.ListDataListener l) {
listeners.add(l);
}
void notifyListeners() {
// no attempt at optimziation
ListDataEvent le = new ListDataEvent(source,
ListDataEvent.CONTENTS_CHANGED, 0, getSize());
for (int i = 0; i < listeners.size(); i++) {
((ListDataListener) listeners.get(i)).contentsChanged(le);
}
}
// REMAINDER ARE OVERRIDES JUST TO CALL NOTIFYLISTENERS
public boolean add(Object o) {
boolean b = super.add(o);
if (b)
notifyListeners();
return b;
}
public void add(int index, Object element) {
super.add(index, element);
notifyListeners();
}
public boolean addAll(Collection o) {
boolean b = super.add(o);
if (b)
notifyListeners();
return b;
}
public void clear() {
super.clear();
notifyListeners();
}
public Object remove(int i) {
Object o = super.remove(i);
notifyListeners();
return o;
}
public boolean remove(Object o) {
boolean b = super.remove(o);
if (b)
notifyListeners();
return b;
}
public Object set(int index, Object element) {
Object o = super.set(index, element);
notifyListeners();
return o;
}
}
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